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Finding the Fourth Proportional to 19,950.98, 29,816.18 and 18,798.68

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Solution

The fourth proportional to 19,950.98, 29,816.18 and 18,798.68 is: 28,094.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.98 : 29,816.18 = 18,798.68 : x
  2. Step 2: Convert to fraction form
    19,950.98/29,816.18 = 18,798.68/x
  3. Step 3: Cross multiply
    19,950.98x = 29,816.18 × 18,798.68
  4. Step 4: Simplify right side
    19,950.98x = 560,504,983.43
  5. Step 5: Solve for x
    x = 560,504,983.43/19,950.98
  6. Step 6: Final answer
    x = 28,094.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.